Lot of 3 New 638-3 / NTE 844 / CA3217 Single Chip TV Chroma / Luminance Processor IC's. These are OEM parts stamped with part # 638-3, fully compatible with CA3217, NTE844, ECG844, and similar IC's. This is a 28-pin DIP IC that operates on 12 VDC @ 40ma.
You are buying THREE of these parts for $20 plus shipping.
Pinout is as follows:
1 - Chroma Output
2 - Chroma Control
3 - Chroma Input
4 - Overload Filter
5 - ACC, Killer Filter
6 - ACC, Killer Filter
7 - Sandcastle Pulse
8 - GND
9 - APC Filter
10 - APC Filter
11 - Osc. Input 90 Degree
12 - Osc. Input 180 Degree
13 - Osc. Output
14 - Tint Control
15 - Carrier Output
16 - Overload, Flesh Disable
17 - Demod Chroma Input
18 - I Carrier Input
19 - Q Carrier Input
20 - Green
21 - Red
22 - Blue
23 - VCC +12V
24 - Bright Control
25 - Low Pass Filter
26 - Picture Control
27 - Luminance
28 - Beam Limiter
Currently there are no reviews for this product. Share your opinion with others, be the first to write a review.